A reference guide to Smith predictor based methods for the compensation of dead-time processes

O’Dwyer, Aidan

doi:10.1049/cp:20050316

Cited by 8 publications

(2 citation statements)

References 147 publications

(164 reference statements)

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“…This is because the ensuing lower natural frequencies can also interfere with the execution of the control system [25]. Solutions to the problem of control delays have been proposed theoretically in the literature with many applications: increasing the robustness of the control laws [26][27][28], compensation of communication impairments [29,30], decentralization of the decision-making process [31,32], et cetera. Nevertheless, more effort on the practical implementation of such algorithms is still needed.…”

Section: Introductionmentioning

confidence: 99%

A Concurrent Testing Facility Approach to Validate Small Satellite Combined Operations

et al. 2021

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Federated remote laboratories allow for the execution of experiments ex situ. The coordination of several laboratories can be used to perform concurrent experiments of combined space operations. However, the latency of the communications between facilities is critical to performing adequate real-time experiments. This paper presents an approach for conducting coordinated experiments between floating platforms at two remote laboratories. Two independently designed platforms, one at Luleå University of Technology and the other at La Sapienza University of Rome, were established for this purpose. A synchronization method based on the Simple Network Time Protocol was created, allowing the offset and delay between the agents to be measured.Both platforms exchange data about their measured time and pose through a UDP/IP protocol over the internet. This approach was validated with the execution of simulated operations. A first demonstrative experiment was also performed showing the possibility to realize leader/follower coordinated operations. The results of the simulations and experiments showed communication delays on the order of tens of milliseconds with no significant impact on the control performance. Consequently, the suggested protocol was proven to be adequate for conducting coordinated experiments in real time between remote laboratories.

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Section: Introductionmentioning

confidence: 99%

A Concurrent Testing Facility Approach to Validate Small Satellite Combined Operations

et al. 2021

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“…A theoretical and experimental work [4] demonstrated that time delays are a major cause of instability in such highly flexible systems. An extensive literature exists on the compensation of time delayed processes [5].…”

Section: Introductionmentioning

confidence: 99%

Analysis and experiments for delay compensation in attitude control of flexible spacecraft

et al. 2014

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Delay compensation for controlling flexible space multibodies: Dynamic modeling and experiments

Sabatini

Gasbarri

Palmerini

2015

Control Engineering Practice

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A reference guide to Smith predictor based methods for the compensation of dead-time processes

Cited by 8 publications

References 147 publications

A Concurrent Testing Facility Approach to Validate Small Satellite Combined Operations

A Concurrent Testing Facility Approach to Validate Small Satellite Combined Operations

Analysis and experiments for delay compensation in attitude control of flexible spacecraft

Delay compensation for controlling flexible space multibodies: Dynamic modeling and experiments

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